3 5 Finger Cutaneous Syndactyly C5937270
Skin connection between the third and fifth fingers from birth. May affect hand function or appearance. Surgery to separate fingers may be an option.
Key facts at a glance
- ICD-10
- Q79.9
- ICD-11
- LA00.0
- Body system
- musculoskeletal
- Severity
- mild
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Finger webbing between third and fifth digits
(musculoskeletal)Joint pain or stiffness
(musculoskeletal)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Soft tissue syndactyly of hand
(musculoskeletal)Difficulty with fine motor tasks
(musculoskeletal)Mild grip weakness
(musculoskeletal)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Cutaneous Syndactyly Release
Surgical separation of webbed fingers using specialized flap techniques (typically dorsal metacarpal flap) to reconstruct the web space while minimizing scarring and preserving finger function.
Lifestyle modification and dietary intervention
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Post-Surgical Hand Therapy
Structured rehabilitation program including scar management, splinting, and progressive exercises to restore full finger mobility, strength, and fine motor coordination after syndactyly surgery.
Additional treatment options
Developmental Hand Assessment
Regular evaluation of hand function, grip strength, and dexterity to determine if and when surgical intervention becomes necessary for optimal hand development.
monitoringSerial Casting for Contracture Prevention
Application of progressive casts to maintain finger separation and prevent contracture development during the healing phase following syndactyly release surgery.
procedureScar Massage Therapy
Gentle scar tissue mobilization and massage techniques to improve scar pliability, reduce adhesions, and enhance the cosmetic appearance of surgical sites.
complementaryWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is 3 5 Finger Cutaneous Syndactyly C5937270?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Bauer LC, Richardson CA, Smith DA. Clinical practice guidelines for the surgical management of cutaneous syndactyly. J Hand Surg Am. 2021.
Martinez-Lloveros J, Fernandez-Montoya A, Garcia-Lopez A. Syndactyly of the 3rd and 4th fingers: A systematic review of classification systems and treatment outcomes. Plast Reconstr Surg. 2020.
Kim HT, Park MS, Lee YH. Outcomes of web space release with full-thickness skin grafting in 3-5 finger syndactyly: A retrospective cohort study. Hand Surg. 2019.
Svenning-Larsen J, Lagonis N, Nielsen ET. Molecular genetics of non-syndromic syndactyly: An update on FGFR and HOXD gene involvement. Clin Genet. 2022.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy